#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>


//P711
int main05()
{
	printf("Input:");
	float pi = 3.14;
	int h = 0;
	float r = 0;
	scanf("%f %d", &r, &h);
	float C = 2 * pi * r;
	float S = pi * r * r;
	float V = pi * r * r * h;
	printf("%.2f\n%.2f\n%.2f\n", C , S, V);
	return 0;
}